Home / 319,965,415.12-479,973,005.88-104,576,435.92

Finding the Fourth Proportional to 319,965,415.12, 479,973,005.88 and 104,576,435.92

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Solution

The fourth proportional to 319,965,415.12, 479,973,005.88 and 104,576,435.92 is: 156,872,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,965,415.12 : 479,973,005.88 = 104,576,435.92 : x
  2. Step 2: Convert to fraction form
    319,965,415.12/479,973,005.88 = 104,576,435.92/x
  3. Step 3: Cross multiply
    319,965,415.12x = 479,973,005.88 × 104,576,435.92
  4. Step 4: Simplify right side
    319,965,415.12x = 50,193,866,292,739,600
  5. Step 5: Solve for x
    x = 50,193,866,292,739,600/319,965,415.12
  6. Step 6: Final answer
    x = 156,872,786.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.